diff options
| -rw-r--r-- | datapath-windows/ovsext/Actions.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/datapath-windows/ovsext/Actions.c b/datapath-windows/ovsext/Actions.c index 70ac0a0e5..218e7db81 100644 --- a/datapath-windows/ovsext/Actions.c +++ b/datapath-windows/ovsext/Actions.c @@ -1712,6 +1712,15 @@ OvsUpdateIPv4Header(OvsForwardingContext *ovsFwdCtx, ipHdr->ttl = ipAttr->ipv4_ttl; key->ipKey.nwTtl = ipAttr->ipv4_ttl; } + if (ipHdr->dscp != (ipAttr->ipv4_tos & 0xfc)) { + /* ECN + DSCP */ + UINT8 newTos = (ipHdr->tos & 0x3) | (ipAttr->ipv4_tos & 0xfc); + if (ipHdr->check != 0) { + ipHdr->check = ChecksumUpdate16(ipHdr->check, ipHdr->tos, newTos); + } + ipHdr->tos = newTos; + key->ipKey.nwTos = newTos; + } return NDIS_STATUS_SUCCESS; } |